Welcome to Cornerstone Medical & Safety Academy, LLC! This website is designed to help you easily find, register for, and prepare for your CPR, First Aid, and Safe Sitter classes. Browse Courses: Visit the “Safe Sitter Courses” page to view all available courses. Each listing includes a description, who the class is for, location, duration, and cost. Select your desired class and click “Book Now.” You will be guided through the registration process